Battery case



FIG. 1 is a perspective view of a battery case showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a left side elevational view thereof.

The broken lines throughout the drawings are included for the purpose of illustrating portions of the case that form no part of the claimed design. 

The ornamental design for a battery case, as shown and described. 